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App for changing tire sizes and stuff?

Discussion in 'Audio & Electronics' started by akbrener, Mar 25, 2020.

  1. akbrener

    akbrener Full Access Member

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    I had a jeep grand cherokee and there was an app called JScan that worked with the OBDII bluetooth readers that allowed me to make simple changes to the PCM/BCM. Tire size, daytime running light configuration, TPMS resets, and also pulled and cleared codes. is there anything available for GMs? do not need a full tuning setup, just looking at adjusting for tire size changes in the future.
     
  2. Big Mama

    Big Mama Full Access Member

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    If it’s for the 08 a Tech2 can do that if it’s the 19 it won’t but a few scanner gurus will chime in with help.
     
  3. akbrener

    akbrener Full Access Member

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    Yea, the 2019. I have lived with the tire size being off for the last 9 years I have owned the 2008, but I have a feeling the 6 speed trans may like having an accurate speedo to help shift at the right spot.. Hopefully theres a quick fix available.
     

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